All solar system planets circle our sun with slightly tilted orbits — and a new study shows even distant planetary systems in quiet neighborhoods have orbital tilts, too.

In this latest data mining, scientists unexpectedly discovered two planets with extremely unusual orbits, whose trajectories differ dramatically from the known patterns of planetary orbits. In our ...

The Solar System hasn't been the same since Pluto was downgraded from a planet to a dwarf planet, and all bets have been off since this monumental decision. Case in point, last year, scientists at ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

Some of the most fascinating worlds in our cosmic neighborhood are not planets, but the moons that orbit around them.

Strange New Worlds: The Weirdest Planets Discovered in Our Universe From a "cotton-candy" like planet to a duo-suns Tatooine-like planet, these are definitely unique.

A needle in a cosmic haystack Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, like our own solar system.

Our Weird Solar System Gets Weirder With 139 Newly Discovered Minor Planets They're just hanging out past Neptune.

The James Webb Space Telescope, the most powerful space telescope ever built, has picked up highly unusual readings from an ...

A fat Jupiter and pairs of Earth-like planets orbiting the same star are some of the strange scenarios being discussed at the Extreme Solar Systems III conference in Hawaii.

The asteroid Ryugu is an echo from the deep, distant past. Two tiny grains of the rock, delivered to Earth in 2020 by the ...